* {
  margin: 0;
  padding: 0;
  list-style: none;
  text-decoration: none;
}

.web .carouselBox {
  width: 1000px;
  height: 562px;
  border: 2px dashed red;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  overflow: hidden;
}

.web .carouselBox ul {
  width: 100%;
  white-space: nowrap;
  font-size: 0;
  transition: all .3s;
}

.web .carouselBox ul li {
  display: inline-block;
  width: 100%;
}

.web .carouselBox ul li img {
  width: 100%;
}

.web .carouselBox .arrow {
  width: 160px;
  height: 562px;
  text-align: center;
  line-height: 562px;
  font-size: 36px;
  position: absolute;
  top: 0;
  color: #fff;
  transition: all .3s;
  cursor: pointer;
}

.web .carouselBox .leftArrow {
  left: 0;
  background: linear-gradient(90deg, #000, transparent);
  transform: translateX(-100%);
}

.web .carouselBox .rightArrow {
  right: 0;
  background: linear-gradient(-90deg, #000, transparent);
  transform: translateX(100%);
}

.web .carouselBox:hover .arrow {
  transform: translateX(0%);
}

.web .carouselBox .pointBox {
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  font-size: 0;
  transition: all .3s;
}

.web .carouselBox .pointBox ol {
  display: inline-block;
  white-space: nowrap;
  background-color: #87ceeb;
  border-radius: 50% 0%;
  padding: 12px 8px;
}

.web .carouselBox .pointBox ol li {
  width: 10px;
  height: 10px;
  display: inline-block;
  background-color: #fff;
  margin: 0 8px;
  cursor: pointer;
  border-radius: 50%;
}

.web .carouselBox .pointBox ol .active {
  background-color: orange;
}

.web .carouselBox:hover .pointBox {
  bottom: 30px;
}
